Bomag BW 177 D-3 - User Manual

Service Training
Single Drum Rollers
BW 156/177 D-3/DH-3/PDH-3
BW 156/177 D-3/DH-3/PDH-3
008 098 14
Edition 04/2000

Summary

Cummins Diesel engine

Adjusting the valve clearance

Changing the injection pump

Travel system

Brake control

Travel pump

Details and diagrams of the travel pump component.

Drum drive motor

Axle drive motor and drum drive motor DH;PDH-versions

Vibration

Vibration motor

Steering

Steering valve

Electrical system

Ignition and starting circuit

Explanation of the ignition and engine starting electrical circuit.

Fault monitoring board

Function diagram fault indicator

Brakes

Explanation of the electrical control of the machine's brakes.

Travel speed range selector

Trouble shooting travel system

Machine drives with travel lever in NEUTRAL“

Machine does not drive (to both directions)

Troubleshooting steps for loss of drive in both directions.

Testing of individual components

Procedures for testing individual travel system components.

Insufficient travel power, max. speed is not reached

Troubleshooting for low travel power and speed.

Hydraulic oil overheating (> 90°C)

Troubleshooting steps for hydraulic oil overheating issues.

Trouble shooting vibration system

No vibration (travel system OK)

Troubleshooting steps when vibration is absent but travel system is functional.

Vibration works only with high or low amplitude

Diagnosing issues with specific vibration amplitudes.

Vibration frequency too low (travel system OK)

Troubleshooting steps for low vibration frequency.

Trouble shooting steering system

No steering; steering sticky; end stops are not reached (travel system OK)

Troubleshooting for steering system faults like stickiness or end stop issues.

Checking the steering pressure

Checking the steering;charge pump

Checking the steering cylinders

Bomag BW 177 D-3 Specifications

General

Brand	Bomag
Model	BW 177 D-3
Category	Construction Equipment
Language	English